Circuit breaker



FIG. 1 is a perspective view of an embodiment of a circuit breaker;

FIG. 2 is a front view of an embodiment of a circuit breaker;

FIG. 3 is a right view of an embodiment of a circuit breaker;

FIG. 4 is a left view of an embodiment of a circuit breaker;

FIG. 5 is a bottom view of an embodiment of a circuit breaker;

FIG. 6 is a top view of an embodiment of a circuit breaker; and,

FIG. 7 is a rear view of an embodiment of a circuit breaker.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

CLAIM The ornamental design for a “circuit breaker,” as shown and described. 